$OpenBSD: patch-Makefile,v 1.1.1.1 2009/04/14 11:28:12 jasper Exp $
--- Makefile.orig	Mon Jun 23 21:32:28 2008
+++ Makefile	Tue Apr 14 13:23:40 2009
@@ -7,7 +7,7 @@ CFLAGS = -O0 -g -Wextra -DMEMDEBUG -DSTRBUF_CHECK
 #LDFLAGS = -lefence
 LDFLAGS += -g
 else
-CFLAGS = -O2
+CFLAGS ?= -O2
 endif
 
 ifdef NO_ICONV
